import React from 'react'
import PropTypes from 'prop-types'
import classnames from 'classnames'
import {detect} from 'detect-browser';

import {MdFileDownload, MdOpenInBrowser, MdSettings, MdLayers, MdHelpOutline, MdFindInPage, MdAssignmentTurnedIn} from 'react-icons/md'


import logoImage from 'maputnik-design/logos/logo-color.svg'
import pkgJson from '../../package.json'


// This is required because of <https://stackoverflow.com/a/49846426>, there isn't another way to detect support that I'm aware of.
const browser = detect();
const colorAccessibilityFiltersEnabled = ['chrome', 'firefox'].indexOf(browser.name) > -1;


class IconText extends React.Component {
  static propTypes = {
    children: PropTypes.node,
  }

  render() {
    return <span className="maputnik-icon-text">{this.props.children}</span>
  }
}

class ToolbarLink extends React.Component {
  static propTypes = {
    className: PropTypes.string,
    children: PropTypes.node,
    href: PropTypes.string,
    onToggleModal: PropTypes.func,
  }

  render() {
    return <a
      className={classnames('maputnik-toolbar-link', this.props.className)}
      href={this.props.href}
      rel="noopener noreferrer"
      target="_blank"
    >
      {this.props.children}
    </a>
  }
}

class ToolbarLinkHighlighted extends React.Component {
  static propTypes = {
    className: PropTypes.string,
    children: PropTypes.node,
    href: PropTypes.string,
    onToggleModal: PropTypes.func
  }

  render() {
    return <a
      className={classnames('maputnik-toolbar-link', "maputnik-toolbar-link--highlighted", this.props.className)}
      href={this.props.href}
      rel="noopener noreferrer"
      target="_blank"
    >
      <span className="maputnik-toolbar-link-wrapper">
        {this.props.children}
      </span>
    </a>
  }
}

class ToolbarSelect extends React.Component {
  static propTypes = {
    children: PropTypes.node,
    wdKey: PropTypes.string
  }

  render() {
    return <div
      className='maputnik-toolbar-select'
      data-wd-key={this.props.wdKey}
    >
      {this.props.children}
    </div>
  }
}

class ToolbarAction extends React.Component {
  static propTypes = {
    children: PropTypes.node,
    onClick: PropTypes.func,
    wdKey: PropTypes.string
  }

  render() {
    return <button
      className='maputnik-toolbar-action'
      data-wd-key={this.props.wdKey}
      onClick={this.props.onClick}
    >
      {this.props.children}
    </button>
  }
}

export default class Toolbar extends React.Component {
  static propTypes = {
    mapStyle: PropTypes.object.isRequired,
    inspectModeEnabled: PropTypes.bool.isRequired,
    onStyleChanged: PropTypes.func.isRequired,
    // A new style has been uploaded
    onStyleOpen: PropTypes.func.isRequired,
    // A dict of source id's and the available source layers
    sources: PropTypes.object.isRequired,
    children: PropTypes.node,
    onToggleModal: PropTypes.func,
    onSetMapState: PropTypes.func,
    mapState: PropTypes.string,
    renderer: PropTypes.string,
  }

  state = {
    isOpen: {
      settings: false,
      sources: false,
      open: false,
      add: false,
      export: false,
    }
  }

  handleSelection(val) {
    this.props.onSetMapState(val);
  }

  render() {
    const views = [
      {
        id: "map",
        title: "Map",
      },
      {
        id: "inspect",
        title: "Inspect",
        disabled: this.props.renderer !== 'mbgljs',
      },
      {
        id: "filter-deuteranopia",
        title: "Map (deuteranopia)",
        disabled: !colorAccessibilityFiltersEnabled,
      },
      {
        id: "filter-protanopia",
        title: "Map (protanopia)",
        disabled: !colorAccessibilityFiltersEnabled,
      },
      {
        id: "filter-tritanopia",
        title: "Map (tritanopia)",
        disabled: !colorAccessibilityFiltersEnabled,
      },
      {
        id: "filter-achromatopsia",
        title: "Map (achromatopsia)",
        disabled: !colorAccessibilityFiltersEnabled,
      },
    ];

    const currentView = views.find((view) => {
      return view.id === this.props.mapState;
    });

    return <div className='maputnik-toolbar'>
      <div className="maputnik-toolbar__inner">
        <div
          className="maputnik-toolbar-logo-container"
        >
          <a className="maputnik-toolbar-skip" href="#skip-menu">
            Skip navigation
          </a>
          <a
            href="https://github.com/maputnik/editor"
            rel="noopener noreferrer"
            target="_blank"
            className="maputnik-toolbar-logo"
          >
            <img src={logoImage} alt="Maputnik" />
            <h1>
              <span className="maputnik-toolbar-name">{pkgJson.name}</span>
              <span className="maputnik-toolbar-version">v{pkgJson.version}</span>
            </h1>
          </a>
        </div>
        <div className="maputnik-toolbar__actions">
          <ToolbarAction wdKey="nav:open" onClick={this.props.onToggleModal.bind(this, 'open')}>
            <MdOpenInBrowser />
            <IconText>Open</IconText>
          </ToolbarAction>
          <ToolbarAction wdKey="nav:export" onClick={this.props.onToggleModal.bind(this, 'export')}>
            <MdFileDownload />
            <IconText>Export</IconText>
          </ToolbarAction>
          <ToolbarAction wdKey="nav:sources" onClick={this.props.onToggleModal.bind(this, 'sources')}>
            <MdLayers />
            <IconText>Data Sources</IconText>
          </ToolbarAction>
          <ToolbarAction wdKey="nav:settings" onClick={this.props.onToggleModal.bind(this, 'settings')}>
            <MdSettings />
            <IconText>Style Settings</IconText>
          </ToolbarAction>

          <ToolbarSelect wdKey="nav:inspect">
            <MdFindInPage />
            <IconText>View </IconText>
            <select onChange={(e) => this.handleSelection(e.target.value)} value={currentView.id}>
              {views.map((item) => {
                return (
                  <option key={item.id} value={item.id} disabled={item.disabled}>
                    {item.title}
                  </option>
                );
              })}
            </select>
          </ToolbarSelect>

          <ToolbarLink href={"https://github.com/maputnik/editor/wiki"}>
            <MdHelpOutline />
            <IconText>Help</IconText>
          </ToolbarLink>
          <ToolbarLinkHighlighted href={"https://gregorywolanski.typeform.com/to/cPgaSY"}>
            <MdAssignmentTurnedIn />
            <IconText>Take the Maputnik Survey</IconText>
          </ToolbarLinkHighlighted>
        </div>
      </div>
    </div>
  }
}